A replay of the United Launch Alliance Atlas 5 rocket launching the Navy’s Mobile User Objective System communications satellite No. 4 from Cape Canaveral, Florida.
When SpaceX’s Falcon 9 rocket takes off with 64 small satellites — a payload cache representing 34 customers in 17 nations — it will be just the first act in a nearly five-hour sequence to deftly deploy each of the spacecraft, which range in size from a Rubik’s cube to a refrigerator.